entity mux1b is

	port (
		entrada0 : in bit;
		entrada1 : in bit;
		seletor : in bit;
		saida : out bit
	);
end mux1b;

architecture arc_mux1b of mux1b is

begin
	
	saida <= entrada0 when seletor = '0' else
	entrada1;
	
end arc_mux1b;